Maintenance; Idle Speed Adjustment - Maruyama B23C Manuel Du Propriétaire

Scaling
To remove unwanted vegetation, hold the trimmer head
about 3 in. (7.6 cm) above the ground and at an angle.
Allow the tip of the line to strike the ground cutting the
vegetation off at the surface.
Mowing
Keep the line parallel to the ground and use a gentle
side to side motion.
Three inchs (7,6cm)
above Ground
Three inchs (7,6cm)
above Ground
― US - 16 ―

Maintenance

Maintenance, replacement or repair of emission control
devices and systems may be performed by any repair
establishment or individual; however, warranty repairs
must be performed by a dealer or service center authorized
by Maruyama Manufacturing Company, Inc. The use of
parts that are not equivalent in performance and durability
to authorized parts may impair the effectiveness of the
emission control system and may have a bearing on the
outcome of a warranty claim.

Idle Speed Adjustment

This Trimmer is equipped with nonadjustable fuel mixture
carburetor. The engine idle speed is the only adjustment
for the operator.
WARNING
POTENTIAL HAZARD
・Engine must be running to make carburetor
adjustments.
・When engine is running, cutting head is rotating
and other parts are moving.
WHAT CAN HAPPEN
・Contact with rotating cutting head or other
moving parts could cause serious personal injury
or death.
HOW TO AVOID THE HAZARD
・Keep hands, feet and clothing away from
attached tool and other moving parts.
・Keep all bystanders and pets away from unit
while making carburetor adjustments.
The cutting head may be rotating/moving during idle
speed adjustment. Wear the recommended personal
protective equipment and observe all safety instructions.
Keep hands and body away from the cutting head.
When the throttle trigger is released, the engine should
return to an idle speed between 2700 and 3300 RPM, or
just below the clutch engagement speed. The Attached
Tool must not rotate/move and the engine should not
stall (stop running) at engine idle speed.
To adjust the engine idle speed, rotate the idle speed
adjustment screw on the carburetor.
• Turn the idle speed screw in (clockwise) to increase
the engine idle speed.